EVENT 307 Boys 10 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Acer WOOLLEY | 11 | Co Birm'ham | 1:27.10 |
| 4 | 3 | Luke SKELDING | 12 | Co Birm'ham | 1:16.59 |
| 5 | 2 | Aidan MITCHELL | 11 | Co Birm'ham | 1:25.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Ken HO | 14 | Co Birm'ham | 1:09.13 |
| 2 | 7 | Thomas HERBERT | 16 | Co Coventry | 1:05.84 |
| 3 | 9 | Benjamin STANFORD | 15 | Co Birm'ham | 1:04.34 |
| 4 | 11 | Samuel RICHARDS | 17 | Co Coventry | 1:03.55 |
| 5 | 10 | Alexander ROGERS | 15 | Co Birm'ham | 1:04.19 |
| 6 | 8 | Braden DANIELS | 15 | Havant & Wat | 1:05.30 |
| 7 | 6 | Ryan ANDREWS | 14 | Co Birm'ham | 1:07.90 |
| 8 | 4 | Roan GRIFFITHS | 13 | Co Birm'ham | 1:12.61 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Daniel MOORE | 15 | Co Birm'ham | 1:02.88 |
| 2 | 15 | Ashley MARKALL | 15 | Co Birm'ham | 1:02.39 |
| 3 | 17 | Luke DAVIES | 17 | Co Birm'ham | 1:01.19 |
| 4 | 19 | Jake DIXON | 16 | Co Birm'ham | 57.23 |
| 5 | 18 | Earl RADTSCHENKO | 18 | Co Coventry | 57.89 |
| 6 | 16 | Braiden HARTLES | 17 | Co Birm'ham | 1:01.67 |
| 7 | 14 | Rory HUGGINS | 15 | Havant & Wat | 1:02.48 |
| 8 | 12 | Joseph IACOVIDES | 14 | Co Coventry | 1:03.25 |